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442.00
PORTION OF THE SW 1/4, SECTION 14, T. 23 N., R. 5 E., W.M.
w STORM DRAIN TRACT
z I} 15' ACCESS ROAD
o'
w TOP OF VAULT (OUTSIDE) REMOVABLE WATER-
5ELEV.=442.00 TIGHT COUPLING
a IFINISHED GRADE TOP OF VAULT(INSIDE)
ELEV.=441.00
443.00 6" FREEBOARD
12"
1442.00 : ID445.8
439.50
2H:1 V
RISER. SEE -
SECTION C-C
FOR DETAILS
c
433.00 -
429.50
-1 3H: 1 V
0
BAFFLE- WALL
TOP = 441.00
-7' (LIVE STORAGE)
433.00--)
6" MIN. SEDIMENT
STORAGE 5%
�432.55
' SUMP
LIVE STORAGE
ELEV.= 440.50
INV�12. IN)
= 437.00
433.00
9 _59
433.00 432.55
18' 11 18'
DETENTION VAULT (A -A)
443.00
EXISTING GRADE
\-24"O SOLID LOCKING LID
W/ ADAPTER WINGS
0 RIM=443.00
ROUTE FOOTING DRAIN
CB #10 (TYP)
SCALE: 1'-5'
STORM DRAIN TRACT -
W
z
J 15' ACCESS ROAD -
TOP OF VAULT
LL' (OUTSIDE)
0 ELEV.= 442.00 24"0 SOLID
FINISHED GRADE LOCKING LID W/
TOP OF VAULT
cn 443.00 ADAPTER WINGS 443.00
w 6" FREEBOARD (INSIDE) RIM=443.00
ELEV.= 441.00
40. 50 - - - - - -- --
3H:1 V
438.00
� BAFFLE WALL - - - - - - - -LIVE-STORAGE_y
------_ _- 2H:1V IOP = 441.00 ELEV.= 440.50
RISER. SEE 7' (LIVE STORAGE) INV = 437.00
SECTION B-B 433.00 (12" IN)
FOR DETAILS
0
433.00
429.50
6 MIN. SEDIMENT
STORAGE 59
5q 59
432.55
' SUMP
24"0 SOLID LOCKING LID FINISHED GRADE
RIM=443.00
I
I
I
I
433.00
18' 18'
DETENTION VAULT (B-B)
I
I
5' WIDE X 7.5' HIGH
OPENING IN BAFFLE WALL
FROM BOTTOM OF LIVE
STORAGE TO TOP OF VAULT
432.55
I N V�8. IN)
= 437.00
SCALE: 1'-5'
TOP OF VAULT (OUTSIDE) ELEV. = 442.00
r-TOP OF VAULT (INSIDE) ELEV. = 441.0
LIVE STORAGE
ELEV.= 440.50
SEDIMENT STORAGE
ELEV.= 433.50
NO SLOPE ALONG
BOTTOM OF VAULT
432.55
442.00
EXISTING GRADE
0
ROUTE FOOTING DRAIN
TO CB #10 (TYP)
433.00
24"0 SOLID LOCKING LID
W/ ADAPTER WINGS
RIM=443.00
LADDER RUNGS (TYP)
87'
DETENTION VAULT (C-C)
6"
FREEBOARD
PLATE WITH ORIFICE
AS SPECIFIED
4" ELBOW DETAIL
NOTES:
1. OUTLET CAPACITY:100-YEAR DEVELOPED PEAK FLOW.
2. METAL PARTS: CORROSION RESISTANT STAINLESS STEEL OR
ALUMINIZED STEEL.
3. FRAME AND LADDER OR STEPS OFFSET SO:
A. CLEANOUT GATE IS VISIBLE FROM TOP.
B. CLIMB -DOWN SPACE IS CLEAR OF RISER AND CLEANOUT GATE.
C. FRAME IS CLEAR OF CURB.
4. IF METAL OUTLET PIPE CONNECTS TO CEMENT CONCRETE PIPE:
OUTLET PIPE TO HAVE SMOOTH O.D. EQUAL OR CONCRETE PIPE I.D.
LESS 1.4"
5. PROVIDE ATLEAST ONE 3" X 0.090 GAGE SUPPORT BRACKET
ANCHORED TO CONCRETE WALL. (MAXIMUM 3' VERTICAL SPACING)
6. LOCATE ELBOW RESTRICTORS AS NECESSARY TO PROVIDE MINIMUM
CLEARANCE AS SHOWN.
7. LOCATE ADDITIONAL LADDER RUNGS IN STRUCTURE USED AS
ACCESS TO TANK AND VAULT TO ALLOW ACCESS WHEN CATCH BASIN
IS FILLED WITH WATER.
8. TEE SHALL BE CONSTRUCTED OF ALUMINUM CMP, OR ALUMINIZED
STEEL CMP MEETING WSDOT/APWA STANDARDS.
TER FABRIC
!SHED ROCK OR PEA GRAVEL
a'
iD
EMERGENCY OVERFLOW °a
EL=440.20
4" ELBOW
INV.=438.40
ORIFICE DIA=1-1/8"
4" ELBOW °.
INV.=437.00
ORIFICE DIA.=1"
PIPE SUPPORTS (2 MIN):
3" X .090" ALUMINUM
W/ STAINLESS BOLTS I MIN.
°
iUTE FOOTING DRAIN TO CB #10 WITH 4"
RF. PIPE EMBEDDED IN 12" TO 18" OF
EAN CRUSHED ROCK OR PEA GRAVEL
TAPPED IN A LAYER OF FILTER FABRIC
VAULT FOOTING
12" CRUSHED ROCK OR PEA GRAVEL
FOOTING DRAIN DETAIL
NITS
5'X10' ACCESS RISER W/ GRATE
RIM=443.00
LIFT ROD•
7' LIVE STORAGE 12"0 CMP RISER
8" SHEAR GATE-
6" MIN.
SEDIMENT 432.55
STORAGE
4' SUMP -
443.00
429.50
OUTLET PIPE
IE=433.50 ° -
°
RESTRICTOR PLATE WITH a
ORIFICE ELEV=431.50
DRILL A 3/4" HOLE IN
PLATE BOLTED TO FLANGE
OR DRILLED TO CAP °a
4°
FLOW RESTRICTOR TEE DETAIL
EXISTING
rlD A nr
EMERGENCY OVERFLOW=440.20
ORIFICE #3 (1-1/8"0)
ELEV.=438.40
-ORIFICE #2 (1 "0)
ELEV.=437.00
STRAP TO WALL
Jm
3' O.C. (MAX)
INV " PVC OUT) = 433.50
0 (12
ROUTE FOOTING
DRAIN TO CB
\ #10 (TYP) 0.75''
] -ORIFICE #1
ELEV.=431.50
DRILL 0.75" 0 HOLE IN A
12 GA. METAL PLATE WELDED
TO BOTTOM OF RISER PIPE
5'x10' GRATED LOCKING
REMOVABLE ACCESS PANEL
FRAME & LADDER OR
STEPS OFFSET. SEE
NOTE 8.
MAX. WS=440.50
0
0
SHEAR GATE
SCALE: 1' - 5'
NOTE: A SEPARATE BUILDING PERMIT
REQUIRED FOR DETENTION VAULT 1� o ONG SAP
r
4b�w DESIGNED.� DRYCO NAw CITY 0 F
a- � HORRONfAL; NAD 1985� 991
3 3RD ROUND REVISIONS PER CITY COMMENTS AJL 5/8/18 JF WAVOIL� LARSEN 1 -20
�A�Ne%Rl R E N TO N
32 5 2 2ND ROUND REVISIONS PER CITY COMMENTS AJL 3/9/18 JF E. MARSHALL ONE INCH
ti 1 1ST ROUND REVISIONS PER CITY COMMENTS AJL 1/10/17 JF CHEf�Da DATUM
m S'I NAL J. FENG IFAT FULL SCALE NOT ONE INCFI Planning/Building/Public Works Dept.
NO. REVISION BY DATE APPR APPHovED- SOME AcxORoINMY
J. FENG
o i
12" MIN z
04
CL
m
z
cV
2' MINIMUM -
SEPARATION
4'
4' SUMP
6" CMP ELBOW
SEE DETAIL THIS SHEET
12" CMP RISER
PLAN VIEW AT SUMP
SCALE: 1' - 5'
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R-397408 1¢
IN COMPLIANCE WITH CITY OF RENTON STANDARDS J
SURFACE WATER UTILITY , # DEVELOPMENT ENGINEERING
�- O
rstraka 07/23/2018 rnair 07/30/2018 =
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DATE 0
CEDAR RIDGE SHORT PLAT sOOK. 7
FlELDBOOKe
PAGE
DMWING W. a
VAULT SECTIONS 0
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Cob C22 (.)